kean, the former republican governor from new jersey, lee hamilton, former democratic congressman from indiana. they were co-chairs of the 9/11 commission. gentlemen, welcome. >> guest: thank you. >> host: my first question is a very simple one, why the book and why now. and i ask the question because two years ago the 9/11 commission report came out. it was a gripping account of what had happened with the whole 9/11 phenomenon, a roaring bestseller as i remember. now you have this book which i found very interesting, clearly written, candid and, i think, important. but i didn't find anything brand new about the 9/11 phenomenon, the attack on the united states. so i'm kind of wondering what is it, therefore, that you felt was so necessary to produce "without precedent," we'll start with the governor. >> guest: for one thing, other people are starting to write about us. [laughter] characterize us, so when that start toss happen, it's going to depend on who's going to write the account. that was one reason. another reason, frankly, is because we thought it was interesting. we went through experi